The Implementing Cisco Unified Communications Voice over IP and QoS v8.0 (CVOICE v8.0) 642-437 is the exam associated with the CCNP Voice certification. This Cisco 642-437 CVOICE exam tests a candidate’s knowledge of how to implement and operate gateways, gatekeepers, Cisco Unified Border Element, Cisco Unified Communications Manager Express and QoS in a voice network architecture.
Implementing Cisco Unified Communications Voice over IP and QoS v8.0 is the exam name of 642-437 CVOICE test. The Associated Certification is CCNP Voice. There are 60-70 questions in real Cisco 642-437 CVOICE exam, which will take the candidates 90 minutes to complete the test. The available languages are English and Japanese. Candidates can register Cisco 642-437 CVOICE exam at Pearson VUE testing center.
Cisco 642-437 CVOICE exam topics are valuable in your preparation.
13% 1.0 Describe a dial plan
1.1 Describe a numbering plan
1.2 Describe digit manipulation
1.3 Describe path selection
1.4 Describe calling privileges
16% 2.0 Describe the basic operation and components involved in a VoIP call
2.1 Describe VoIP call flows
2.2 Describe RTP, RTCP, cRTP, and sRTP
2.3 Describe H.323
2.4 Describe MGCP
2.5 Describe Skinny Call Control Protocol
2.6 Describe SIP
2.7 Identify the appropriate gateway signaling protocol for a given scenario
2.8 Choose the appropriate codec for a given scenario
2.9 Describe and Configure VLANs
11% 3.0 Implement Cisco Unified Communications Manager Express to support endpoints using CLI
3.1 Describe the appropriate software components needed to support endpoints
3.2 Configure DHCP, NTP and TFTP
3.3 Describe the differences between the different types of ephones and ephone-dns
3.4 Configure Cisco Unified Communications Manager Express endpoints
9% 4.0 Describe the components of a gateway
4.1 Describe the function of gateways
4.2 Describe DSP functionality
4.3 Describe the different types of voice ports and their usage
4.4 Describe dial peers and the gateway call routing process
4.5 Describe codecs and codec complexity
13% 5.0 Implement a gateway
5.1 Configure analog voice ports
5.2 Configure digital voice ports
5.3 Configure dial peers
5.4 Configure digit manipulation
5.5 Configure calling privileges
5.6 Verify dial-plan implementation
5.7 Implement fax support on a gateway
9% 6.0 Implement Cisco Unified Border Element
6.1 Describe the Cisco Unified Border Element features and functionality
6.2 Configure Cisco Unified Border Element to provide address hiding
6.3 Configure Cisco Unified Border Element to provide protocol and media interworking
6.4 Configure Cisco Unified Border Element to provide call admission control
6.5 Verify Cisco Unified Border Element configuration and operation
11% 7.0 Describe the need to implement QoS for voice and video
7.1 Describe causes of voice and video quality issues
7.2 Describe how to resolve voice and video quality issues
7.3 Describe QoS requirements for voice and video traffic
18% 8.0 Implement a gateway
8.1 Describe the DiffServ QoS model
8.2 Describe marking based on CoS, DSCP, and IP Precedence
8.3 Configure layer 2 to layer 3 QoS mapping
8.4 Describe trust boundaries
8.5 Configure trust boundary on Cisco switches
8.6 Describe the operations of the QoS classifications and marking mechanisms
8.7 Describe Low Latency Queueing
8.8 Describe the operations of the QoS WAN Link Efficiency mechanisms
8.9 Enable QoS mechanisms on switches using AutoQoS
8.10 Configure lLow Latency Queueing
Related resource: http://www.cisco.com/web/learning/exams/list/spec_cvoice.html#~Topics
